Home / 84,959.54-127,431.06-25,795.72

Finding the Fourth Proportional to 84,959.54, 127,431.06 and 25,795.72

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Solution

The fourth proportional to 84,959.54, 127,431.06 and 25,795.72 is: 38,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,959.54 : 127,431.06 = 25,795.72 : x
  2. Step 2: Convert to fraction form
    84,959.54/127,431.06 = 25,795.72/x
  3. Step 3: Cross multiply
    84,959.54x = 127,431.06 × 25,795.72
  4. Step 4: Simplify right side
    84,959.54x = 3,287,175,880.51
  5. Step 5: Solve for x
    x = 3,287,175,880.51/84,959.54
  6. Step 6: Final answer
    x = 38,691.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.